Improving cadastral infrastructure with RTK GPS in Australia
Janssen, Volker et al.
Cadastral surveying is primarily concerned with the process of gathering evidence in the form of position information that is used to define the location of objects or land boundaries for the purposes of identifying ownership and/or the value of land parcels. The advent of Global Navigation Satellite Systems (GNSS), such as the Global Positioning System (GPS), has revolutionised the way 3-dimensional positions are determined and GPS surveying techniques, particularly Real Time Kinematic (RTK), are increasingly being adopted by cadastral surveyors. Due to the size of the Australian continent, the density of established (i.e. valid) survey marks varies considerably across the country, and there are areas where a higher density of established marks is desired. This paper presents a methodology for using RTK GPS observations to improve the existing cadastral survey control infrastructure, based on an extensive survey covering Junee Shire Council in NSW carried out as part of the Geospatial Alliance Project (GAP).
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